I've got a button with a warning symbol on it, and I want to animate the dark parts of that symbol to glow bright yellow. Is there a way I can texture this?
I created the image file in photoshop, so I can change the texture file in there, but I'm not sure how I make the yellow part glow and not the red.
Probably I need a way to isolate the dark parts of the texture and use a mix shader or something... ugh. I'm not smart enough to figure it out.
Any help is greatly appreciated thank you